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The main contents are as follows:(1) The acrylic adhesive was synthesized by the method of semicontinuous emulsion polymerization. The effect of the weight ratio of monomer, type and quantity of functional monomer, the amount of emulsifier, reaction time and temperature on the properties of adhesive was discussed. And the molecular structure of the acrylate adhesive was characterized by FT-IR. Finally, the better production process of acrylic adhesive was determined.

具体内容如下: 1、采用半连续种子聚合的方法合成丙烯酸酯型胶粘剂,探讨了合成胶粘剂的软硬单体的配比、功能性单体的种类、用量及工艺条件(乳化剂的用量、反应时间和温度)对胶粘剂各项性能的影响,通过红外光谱对胶粘剂的微观结构进行表征,并最终确定较好的工艺配方。

Three kinds of cationic dyeable polyesters, CDP-Ⅰ, CDP-Ⅱ, and CDP-Ⅲ, which had different contents of SIPE, were synthesized and blended with PETRc.

利用三单体间苯二甲酸磺酸钠加入量较高的3种阳离子染料可染聚酯与回收聚酯共混,制得不同三单体含量的共混纤维。

Free tryptophane, docosoic acid and methyl 14-methy pentadecanate were isolated and identified as monomeric compounds also for the first time from Panax plants. Malonyl-ginsenoside 〓, ginsenoside Ro,〓, Re,〓,〓,〓(8 saponins) and stigmasterol were isolated and identified for the first time from the fruits and molonyl- ginsenoside 〓 was also the first from the plant of panax quinquefolium.

游离色氨酸、二十二碳酸及14-甲基-十五碳酸甲酯是首次从人参属植物中分离鉴定的杂环α-氨基酸和脂肪羧酸类单体化合物;丙二酸单酰基人参皂甙〓、人参皂甙〓及豆甾醇是西洋参果中首次分离鉴定的8种单体皂甙和1种甾醇化合物,M-〓亦为西洋参中首次分离鉴定的皂甙化合物。

By azo compound became chromophore monomer disperse red -19, and through Sulfonyl of the compound was synthesized by the C, and through 1HNMR its structure was characterized, the results show that the synthesis of compounds C of very high purity, synthetic polymers can meet at the request of the monomer, but also of the compound D, through 1HNMR its characterization, showed that high purity compounds D, is expected to be functional after the adoption of To all the excellent performance PEEK electro-optic polymer materials.

本文通过偶氮化合成了生色团单体分散红-19,并通过磺酰化反应合成得到了化合物C,并通过核磁共振氢谱对其结构进行了表征,结果表明,所合成的化合物C的纯度非常高,完全能满足聚合物合成时对单体的要求,同时也合成了化合物D,通过核磁共振氢谱对其结构表征,显示化合物D纯度很高,应有望通过后功能化合成出各种性能优良的聚醚醚酮电光高分子材料。

During the mitosis, the correct separation of sister chromatids is necessary in normal transition from anaphase to telophase and it guarantees exact distribution of DNA. The non-disjuction is the important reason for forming the aneuploid.

在有丝分裂时,姐妹染色单体的正确分离既起到保证遗传物质准确分配的作用,又是分裂细胞从后期向末期过渡所必需的;而姐妹染色单体不分离则是产生非整倍体细胞的重要原因。

A polymer stabilized ferroelectric liquid crystal device has been fabricated using thiol and acrylate, the amount of monomer is 10%.

采用琉醇和丙烯酸的混合物作为反应单体,制备了单体含量为10%的聚合物稳定铁电液晶器件。

Polymers may consist of long chains of unbranched or branched monomers or may be cross-linked networks of monomers in two or three dimensions.

聚合物可能包含由无支链的或有支链的单体组成的长链,也可能是单体连接的耳维或三维网状结构。

Polymers may consist of long chain s of unbranched or branched monomers or may be cross-linked networks of monomers in two or three dimensions.

聚合物可能包含由无支链的或有支链的单体组成的长链,也可能是单体连接的耳维或三维网状结构。

It was found that the resulting PEG-PAN/PSt particles have unusual form, distribution uniform in diameter and dispersion stability in water.

进而根据实验结果建立了PEG大分子单体与苯乙烯/丙烯腈单体的质量比和颗粒大小间的定量关系,用于预测控制颗粒直径的聚合反应条件。

The present invention relates to a thermoplastic interpolymer product comprising an alpha -olefin interpolymerized with at least one vinyl or vinylidene aromatic monomer and/or at least one hindered aliphatic or cycloaliphatic vinyl or vinylidene aromatic monomer and, in at least one aspect, is characterized as having substantially synergistic thermal properties.

本发明涉及一种包含与至少一种乙烯基或亚乙烯基的芳族单体和/或至少一种受阻的脂族或环脂族的乙烯基或亚乙烯基芳族单体共聚的α-烯烃热塑性共聚体产物,及至少一方面,其特征为具有实质协同热性质。

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